Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
Patent
1984-01-27
1986-03-25
Smith, Alfred E.
Radiant energy
Invisible radiant energy responsive electric signalling
Including a radiant energy responsive gas discharge device
2503361, 250389, 73431, 340693, G01T 118, G01D 1124, G08B 2300
Patent
active
045785864
ABSTRACT:
The specification describes a case for use with a hand-portable chemical agent detector for continuously monitoring an atmosphere for the presence of predetermined chemical agents. The detector having means for ionizing air samples and providing at an output terminal electrical signals representative of the mobility spectrum of ionized chemical vapors produced by the ionizing means. The case comprises means defining a chamber in the case for supporting and removably enclosing the detector, means for communicating ambient atmosphere to the chamber, electrical circuit means in the case, the circuit means being adapted to be detachably connected to the detector output terminal when the detector is positioned in the chamber and being responsive to the electrical signals for producing an alarm signal when the signals detect a chemical agent concentration in the atmosphere exceeding a predetermined concentration level, and alarm means responsive to the alarm signal.
REFERENCES:
patent: 4315432 (1982-02-01), Newton
"Plasma Chromatography of Phosphorus Esters", by J. M. Preston et al-Analytical Chemistry, vol. 49, No. 12, Oct. 1977.
"Plasma Chromatography", by Francis W. Karasek from Analytical Chemistry, vol. 45, p. 710A, Jul. 1972.
Technical Paper No. 264, entitled "The Detection of Mustard Agent Vapour Using Ion Mobility Techniques (U)", by D. A. Blyth, dated Jan. 1980.
Brochure entitled "Chemical Agent Monitor", by Graseby Dynamics Ltd., dated 10/82.
Her Majesty the Queen in right of Canada as represented by the
Smith Alfred E.
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